Physics 9702 · AS & A Level · Electric current

Electric current — practice question

A metal electrical conductor has a resistance of $5.6\,\text{k}\Omega$. A potential difference (p.d.) of $9.0\,\text{V}$ is applied across its two ends. How many electrons pass through a point in the conductor in one minute?

  • A$6.0 \times 10^{20}$
  • B$1.0 \times 10^{19}$
  • C$6.0 \times 10^{17}$
  • D$1.0 \times 10^{16}$

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